Chemical Formula | C16H19FN2O3 |
Molecular Weight | 306.33 |
Iupac Name | Methyl 3-[3-(3,5-dimethyl-1H-pyrazol-4-yl)propoxy]-4-fluorobenzoate |
Chemical Formula | C16H19FN2O3 |
Molecular Weight | 306.332 g/mol |
Appearance | Solid (predicted) |
Boiling Point | Predicted to be in a certain range (no exact data given) |
Melting Point | Predicted to be in a certain range (no exact data given) |
Density | Predicted to be in a certain range (no exact data given) |
Solubility In Water | Low solubility (predicted) |
Logp | Predicted to have a certain value related to lipophilicity (no exact data given) |
Flash Point | Predicted to be in a certain range (no exact data given) |
Pka | Predicted to have a certain value related to acidity (no exact data given) |
Chemical Formula | C16H20FN3O3 |
Molecular Weight | 321.347 g/mol |
Appearance | Solid (predicted) |
Boiling Point | 446.9°C at 760 mmHg (predicted) |
Melting Point | N/A (no data found) |
Flash Point | 224.1°C (predicted) |
Density | 1.22 g/cm³ (predicted) |
Logp | 2.79 (predicted) |
Solubility | Soluble in organic solvents (general property for such compounds) |
Pka | N/A (no data found) |
Chemical Formula | C17H20FN3O3 |
Molecular Weight | 333.36 |
What are the chemical properties of methyl 3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] -4-fluorobenzoate?
3 - [3 - (3,5 - dimethyl - 1H - pyrazole - 4 - yl) propoxy] - 4 - methyl fluorobenzoate, which has the following chemical properties:
Its molecular structure contains specific functional groups, methyl benzoate moiety, with ester group characteristics. The ester group can undergo hydrolysis reaction. In acidic or basic environments, when acidic hydrolysis occurs, in dilute acid solution and heating conditions, the bond between the carbonyl group and the oxygen atom in the ester group breaks to form 4-fluorobenzoic acid and methanol; alkaline hydrolysis is a saponification reaction. In strong bases such as sodium hydroxide solution, 4-fluorobenzoate sodium and methanol are formed. Due to the formation of carboxylic salts, alkaline hydrolysis is more thorough.
Fluorine-containing atoms, due to the large electronegativity of fluorine, the distribution of molecular electron clouds changes, which affects the stability and reactivity of compounds, enhances molecular polarity, enhances lipophilicity, and affects their solubility in different solvents. Metabolism and transport in organisms are also affected. In the field of medicinal chemistry, fluorinated compounds often have unique biological activities due to the special properties of fluorine
The pyrazole ring part, pyrazole has aromatic properties, and the electron cloud on the ring is evenly distributed and relatively stable. The nitrogen atom of pyrazole ring has lone pairs of electrons, which can be used as a ligand to complex with metal ions to form metal complexes, which are used in catalysis, materials science and other fields. The hydrogen atom on the pyrazole ring has a certain acidity, and can be replaced under specific conditions. Electrophilic substitution reactions occur, such as halogenation, nitrification, sulfonation, etc. The position of the substituent is related to the reaction conditions and the existing substituents on the pyrazole ring.
The propoxy part, as a connecting group, affects the molecular spatial structure and physical properties. It contains carbon-oxygen single bonds, which can occur oxidation reactions. Under the action of strong oxidants, the carbon-oxygen bonds may break, or react with other reagents such as substitution and elimination.
What is the synthesis method of methyl 3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] -4-fluorobenzoate?
To prepare 3 - [3 - (3,5 - dibenzyl - 1H - pyrazole - 4 - yl) propoxy] - 4 - benzyl fluorobenzoate, you can follow the following method.
Take 3,5 - dibenzyl - 1H - pyrazole - 4 - formaldehyde as the starting material. First, it is combined with malonic acid in the presence of basic catalysts such as pyridine, and the method of Knoevenagel condensation is used to generate 3,5 - dibenzyl - 1H - pyrazole - 4 - acrylic acid. This step requires moderate temperature control, and the amount of pyridine needs to be precise to ensure a smooth reaction and a pure product.
Next, 3,5-dibenzyl-1H-pyrazole-4-acrylic acid is gently reduced in an alcohol solvent with a suitable reducing agent, such as sodium borohydride-lithium chloride system, to obtain 3- (3,5-dibenzyl-1H-pyrazole-4-yl) propanol. In this reduction process, the control of temperature and the amount of reducing agent is extremely critical to avoid excessive reduction or side reactions.
Then take 3 - (3,5 - dibenzyl - 1H - pyrazole - 4 - yl) propanol and 3 - chloro - 4 - benzyl fluorobenzoate, in the presence of potassium carbonate and other bases, with acetonitrile as a solvent, heating and stirring, through nucleophilic substitution reaction, the hydroxyl group of the alcohol is replaced with the halogen atom of the halogen, and then the target product 3 - [3 - (3,5 - dibenzyl - 1H - pyrazole - 4 - yl) propoxy] - 4 - benzyl fluorobenzoate. After the reaction is completed, the product is purified by conventional separation methods, such as column chromatography, recrystallization, etc., to obtain a pure product. Each step of the reaction requires fine regulation of the reaction conditions, accurate weighing of the proportion of materials, and close monitoring of the reaction process, so that the synthesis path is smooth, and the product yield and purity are good.
In what fields is methyl 3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] -4-fluorobenzoate used?
3-% 5B3-% 283,5-Dimethyl-1H-pyrazole-4-yl% 29 propoxy% methyl 5D-4-fluorophenylacetate, which is used in the fields of medicine, pesticides and materials science.
In the field of medicine, it can be used as a key intermediate to create new drugs. The structure of Gaindimethylpyrazolyl and methyl fluorophenylacetate has unique chemical properties and biological activities, and can interact with specific targets in organisms. For example, it is possible to achieve the purpose of treating diseases by regulating specific enzymes or receptors. For some inflammatory-related diseases, this compound may be able to demonstrate anti-inflammatory effects by intervening on key targets in inflammatory signaling pathways; in neurological diseases, it may also play a therapeutic role by acting on neurotransmitter-related receptors.
In the field of pesticides, it can be used as an important raw material for the synthesis of high-efficiency and low-toxicity pesticides. Due to its structural properties, it may be able to selectively inhibit or kill specific pests or pathogens. For example, for some common pests of crops, it can interfere with their nervous system or physiological and metabolic processes, so as to achieve pest control, and has little impact on the environment and non-target organisms, which is in line with the current development needs of green and environmentally friendly pesticides.
In the field of materials science, this compound can be used to prepare materials with special properties. For example, in the synthesis of polymer materials, it is introduced into the polymer structure as a functional monomer to endow the material with unique optical, electrical or thermal properties. Optical materials that respond to specific wavelengths of light or electrical materials with good electrical conductivity may be prepared, providing new avenues for innovative development of materials science.
What are the market prospects for methyl 3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] -4-fluorobenzoate?
3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] - 4-chlorobenzoate methyl ester, which is a specific compound in the field of organic chemistry. Its market prospect is influenced by a variety of key factors, so let me tell you in detail.
First, in the field of pharmaceutical research and development, many compounds containing pyrazole and benzoate ester structures exhibit unique biological activities. If this compound can be studied to reveal significant pharmacological effects, such as anti-inflammatory, anti-tumor, antibacterial, etc., and has both safety and effectiveness, pharmaceutical companies will definitely favor it, and the market prospect is naturally bright. However, the road to the development of new drugs is full of thorns, and it needs to be tested by long and rigorous clinical trials before it can be approved for marketing.
Second, the field of pesticides cannot be ignored. Chlorobenzoate-containing compounds often have insecticidal and bactericidal activities. If the compounds have excellent control effects on common crop diseases and pests, are environmentally friendly, have low residues, and meet the current needs of green agriculture development, they will definitely be able to get a share of the pesticide market. However, congeneric products are highly competitive, and R & D costs and marketing activities are also major challenges.
Third, in the field of chemical materials, some benzoate esters can be used as plasticizers, solvents, etc. If the compound has special physical and chemical properties, it can meet the specific material performance requirements, or it can find a foothold in the chemical materials market. However, the chemical industry has extremely high requirements for product purity and quality stability, and the optimization and control of the production process is crucial.
Fourth, policy and regulatory factors have a deep impact. With stricter environmental protection policies, pollutant emissions and product safety assessment standards in the production process of compounds are increasingly improving. If the compound meets the relevant regulatory requirements, it can enter the market smoothly, otherwise it will face rectification or even elimination.
Overall, 3 - [3 - (3,5 - dimethyl - 1H - pyrazole - 4 - yl) propoxy] - 4 - methyl chlorobenzoate has addressable market opportunities, but also faces many challenges. Only through in-depth research and development, in line with market demand and regulatory requirements, can we have the opportunity to emerge in the market and harvest good market prospects.
What are the precautions in the preparation of methyl 3- [3- (3,5-dimethyl-1H-pyrazole-4-yl) propoxy] -4-fluorobenzoate?
In the process of preparing 3 - [3 - (3,5 - dimethyl - 1H - indole - 4 - yl) propoxy] - 4 - fluorobenzoate methyl ester, the following matters should be paid attention to:
First, the quality of the raw materials is very important. The purity and impurity content of the 3,5 - dimethyl - 1H - indole - 4 - yl and other raw materials used will affect the reaction process and product quality. If the purity of the raw material is not good, it may lead to more side reactions and lower product purity, which will add difficulties to the subsequent separation and purification work. Therefore, it is necessary to select reliable suppliers when purchasing, and carefully test the raw materials to ensure that they meet the reaction requirements.
Second, precise control of the reaction conditions is indispensable. Conditions such as temperature, pH (pH value), reaction time, and the proportion of reactants will all affect the reaction direction and efficiency. For example, too high temperature may trigger side reactions and reduce the yield of the product; too low temperature will lead to slow reaction rate and increase time consumption. In terms of pH, some reactions require a specific pH environment to proceed smoothly, otherwise it will affect the stability and activity of the reaction intermediates. It is necessary to precisely set and strictly monitor these reaction conditions based on the reaction mechanism and past experience, and make timely adjustments.
Third, the separation and purification process should not be underestimated. After the reaction, in addition to the target product, there will be impurities such as unreacted raw materials, by-products and solvents in the system. Appropriate separation methods, such as extraction, distillation, column chromatography, etc., should be used to efficiently separate and purify the products. During extraction, an appropriate extractant needs to be selected to ensure that the target product can be effectively transferred to the extraction phase; during the distillation process, temperature and pressure should be precisely controlled to achieve good separation of different components. At the same time, during column chromatography, appropriate stationary and mobile phases should be selected according to the properties of the products and impurities to obtain high-purity products.
Fourth, safety issues must be taken seriously. Toxic, harmful, flammable and explosive chemical reagents may be used in the reaction process. For example, some organic solvents are volatile and flammable, and improper operation can easily cause fires or even explosions. Some reagents are corrosive or toxic, and contact with humans will cause harm. Therefore, safety procedures must be strictly followed during operation, and necessary protective equipment must be equipped, such as protective gloves, goggles, gas masks, etc., while ensuring that the experimental site is well ventilated and equipped with complete safety emergency facilities.